Brand: Ruger Model: Ruger 57 PRO Type: Pistol: Semi-Auto Caliber: 5.7x28MM Finish: Black Nitride Action: Secure Fire Stock: High-Perf Glass Filled Nylon Sight: FT: Fiber Optic RR: Adjustable Barrel Length: 4.94 Overall Length: 8.65 Weight: 24.5 oz Capacity: 20+1 # of Mags: 2 Safety: Integrated trigger safety; lightweight firing pin; neutrally balanced sear with significant engagement and strong spring tension Features: Picatinny Rail, Robust Slide Release; Reversible Magazine Release